App.Viewport = new Ext.Viewport({
	layout: 'border'
	,defaults: {border: false}
	,items: [
		App.ToolbarPanel
		,App.Desktop
	]
	,listeners: {
		render: function(viewport){
			viewport.getEl().on('contextmenu', function(e){
				e.stopEvent();
			});
		}	
	}
});